/*
 * Copyright 2017 Magnus Madsen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ca.uwaterloo.flix.language.phase.jvm

import ca.uwaterloo.flix.language.ast.JvmAst.Def
import ca.uwaterloo.flix.language.ast.Symbol

/**
  * Meta information about a namespace.
  */
case class NamespaceInfo(ns: List[String], defs: Map[Symbol.DefnSym, Def]) {

  /**
    * Returns `true` if `this` is the root namespace.
    */
  def isRoot: Boolean = ns.isEmpty

  /**
    * Returns the hash code of `this` namespace.
    */
  override def hashCode(): Int = ns.hashCode()

  /**
    * Returns `true` if the given `obj` is the same namespace as `this`.
    */
  override def equals(obj: scala.Any): Boolean = obj match {
    case that: NamespaceInfo => this.ns == that.ns
    case _ => false
  }
}
